<?phpclass Connect_Db {	public function conn_db(){		$host	= 'localhost';		$port 	= '80';		$database	= 'db_websevice_adroid';		$username	= 'root';		$password	= '';		global $conn;		$conn =  mysqli_connect($host,$username,$password,$database) or die('Could not connect to DB');		return $conn;	}	}